<?php
	@$uemail = $_REQUEST['email'] or die('email required');
	require('init.php');

	$sql = "SELECT * FROM yx_user WHERE uemail = '$uemail'";
	$result = mysqli_query($conn,$sql);
	$row = mysqli_fetch_assoc($result);
	//echo "yes";
	if($row === null) {
		echo 'no';
	}else {
		echo "yes";
	}